Sensitivity enhancement for a multimode fiber sensor with an axisymmetric metal grating layer

被引：16

作者：

Ma, Youqiao ^{[1
]}

Farrell, Gerald ^{[1
]}

Semenova, Yuliya ^{[1
]}

Chan, Hau Ping ^{[2
]}

Zhang, Hongzhou ^{[3
,4
]}

Wu, Qiang ^{[1
]}

机构：

[1] Dublin Inst Technol, Photon Res Ctr, Sch Elect & Commun Engn, Dublin 8, Ireland

[2] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China

[3] Trinity Coll Dublin, Sch Phys, Dublin 2, Ireland

[4] CRANN, Trinity Coll, Dublin 2, Ireland

来源：

PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS | 2014年 / 12卷 / 01期

基金：

爱尔兰科学基金会;

关键词：

Metal grating; Multimode fiber sensor; Refractomter; SURFACE-PLASMON-RESONANCE; OPTICAL-FIBER; DESIGN;

D O I：

10.1016/j.photonics.2013.08.001

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This paper proposes a novel design for a surface plasmon resonance (SPR) fiber sensor with an axisymmetric sub-wavelength metal grating layer. The relationship between the sensor performance (the sensitivity S and the quality factor Q of the SPR dip) and the characteristic parameters are investigated. Numerical simulation results show that the proposed sensor can achieve a maximum sensitivity of 13,000 nm/RIU (refractive index unit) for a refractive index range from 1.3 to 1.4. (c) 2013 Elsevier B.V. All rights reserved.

引用

页码：69 / 74

页数：6

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